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48 #ifndef HFI1_VERBS_TXREQ_H
49 #define HFI1_VERBS_TXREQ_H
51 #include <linux/types.h>
52 #include <linux/slab.h>
55 #include "sdma_txreq.h"
59 struct hfi1_sdma_header phdr;
60 struct sdma_txreq txreq;
63 struct rvt_mregion *mr;
64 struct rvt_sge_state *ss;
65 struct sdma_engine *sde;
66 struct send_context *psc;
71 struct verbs_txreq *__get_txreq(struct hfi1_ibdev *dev,
74 #define VERBS_TXREQ_GFP (GFP_ATOMIC | __GFP_NOWARN)
75 static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev *dev,
77 __must_hold(&qp->slock)
79 struct verbs_txreq *tx;
80 struct hfi1_qp_priv *priv = qp->priv;
82 tx = kmem_cache_alloc(dev->verbs_txreq_cache, VERBS_TXREQ_GFP);
84 /* call slow path to get the lock */
85 tx = __get_txreq(dev, qp);
91 tx->sde = priv->s_sde;
92 tx->psc = priv->s_sendcontext;
93 /* so that we can test if the sdma decriptors are there */
94 tx->txreq.num_desc = 0;
98 static inline struct sdma_txreq *get_sdma_txreq(struct verbs_txreq *tx)
103 static inline struct verbs_txreq *get_waiting_verbs_txreq(struct rvt_qp *qp)
105 struct sdma_txreq *stx;
106 struct hfi1_qp_priv *priv = qp->priv;
108 stx = iowait_get_txhead(&priv->s_iowait);
110 return container_of(stx, struct verbs_txreq, txreq);
114 void hfi1_put_txreq(struct verbs_txreq *tx);
115 int verbs_txreq_init(struct hfi1_ibdev *dev);
116 void verbs_txreq_exit(struct hfi1_ibdev *dev);
118 #endif /* HFI1_VERBS_TXREQ_H */